This is an article by Ernest Wilkinson from the Mother Earth News Issue # 078 – November/December 1982. Touted as “Learn how to build safe, snug snow caves and other havens in winter wilderness, plus helpful information on winter camping. “ From http://www.motherearthnews.com/Do-It-Yourself/1982-11-01/Snow-Caves-and-Other-Shelters.aspx

According to the US Army Cold Weather Survival Manual: “The idea behind a snow trench shelter is to get you below the snow and wind level and use the snow’s insulating qualities. If you are in an area of compacted snow, cut snow blocks and use them as overhead cover. If not, you can use […]